Blanks



(liq Model.) 2 Sheets-Sheet 1.

E. N. BEEOHER & L. D. WHITING. MACHINE FOR GETTING OPP AND POINTING OR THRBADING BLANKS.

No. 856,818. Patented Feb. 1, 1887.

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y I 56 mq g 7 (No Model.) 2. Sheets-Sheet 2.

E. N.-BEECHER & L. D. WHITING. MACHINE FOR CUTTING OFF AND POINTING OR THREADING BLANKS.

Patented Feb. 1, 1887.

N. puzns Pkotoifihugrapher, Washingum Q C.

new ra n'rnrrr .FFECEQ EDWIN N. BEEOHER AEQD LEXVIS D. NHITING, OF SOUTHINGTON, CONN.

lilAClllNE FOR CUTTING OFF AND POINTlNG OR THREADlNG BLANKS.

SPECIFICATIOI? forming part 01' Letters Patent No. 356,818, dated February 1, 1.887.

A Application filed July 15, 1886. Serial No. 208,110. (No model.)

To aZZ whom it 12mg; concern.-

Be it known that we, Eon-*1)? N. Bnncnnn and LEWIS D. WHITING, residing at Soot-hington, in the county of Hartford and State of Connecticut, have invented certain new and useful Improvements in Automatic Machines for Cutting and Pointing or Threading Blanks; and We do declare the following to be a full, clear, and exact description of the same, reference being had to the accompanying drawings, which form a partof this specification.

Our invention relates to an improved machine for automatically cutting up Wire rods into blanks and pointing or threading the same, the object being to produce a machine of such description which shall be simple and durable in construction, reliable and efficient in operation, and have a large capacity for Work.

With these ends in view our invention consists in a machine having certain details of construction and combinations of parts, as will behereinaftcr described, and pointed out in the claims.

In the accompanying drawings, Figure l is a view in frontelcvation of a machine enibodying our invention. Fig. 2 is a plan view thereof, with the frame for supporting the stock broken away. Fig. 3 is a view of the machine in vertical section on. the line a a of Figs. 1 and 2. Fig. 4. is a detached view of one pair of the cam-guides. Fig. 5 isa detached view of one of such guides in vertical section. Fig. 6 is a detached view in elevation of one of the iluted guides. Fig. 7 is a plan view showing the relative positions of the cam and fluted guides when the rod descends between the former. Fig. 8 is a similar view showing a blanl; having the cam-guides, which are deilected forward. Fig. 9 is alike view showing the blank between the fluted guides in position to be dropped into the dial, and 10 is a broken detached view of the gaging-table.

The Wire rod A, forming the stock from which the blanks B are out, is supported in a frame, C, having its ends respectively secured to the frame I) of the machine and to the cross piece E thereof, the said cross-piece being pro vided with an opening, F, through which the rod enters the machine. Two upright rods, G G, suspended from such cross-piece through slots H H therein, each carry two cam-guides,

I I, supported upon adjustable collars .l J, and provided with concave Working faces K K, having upward extensions L L, which are engaged by the opposite ends of springs M M, secured to adj nstable collars N N, located above the guides which turn on the rods under the control of the springs. Normally, the concave faces of the guides stand opposite each other, with sufficient space between them to receive the Wire rod, such space being exactly in line with the opening F, before mentioned. A gage, 0, located below the said guides and in line with the said space and opening, and cutaway, as at P, and shouldered, as at Q, is secured with a capacity for vertical adj nstment to an upright rod, R, depending froma slide, S, supported upon the cross-piece '1 of the machine,held in place by the box U,bolted thereto, and reciprocated in a horizontal plane by a cam, V, upon the driving-shaft W, which is driven from a pulley, Y, and by a spring, Z, connecting the slide and the box U, the said spring being located in a slot, A, formed in the box. The said slide carries at its forward end a cutter, B, working upon the under face of the cross-piece and having its forward end to the rear of the forward end of the gage. Two rods, G C, located directly in front of the rods G G, and suspended from the crosspiece E through slots DD there-in, each carry a. fluted cylindrical guide, .E, loosely mounted 'upon the rods between adjustable collars F and G, and controlled in rotation by a spring, H, interposed between their lower ends and the collars supporting thorn, the collars being made adjustable for varying the tension of the springs, and hence the frictional resistance to rotation which the same impose upon the guides. Each of the rodsG C also carries at a point belowits fluted guide two cam-guides, I ll, similar in construct-ion and arrangement to the cam-guides, of which mention has been made.

The cutting and guiding mechanisms just described are located over the edge of a dial, J, intermittently rotated in a horizontal plane through a vertical shaft, K, provided at its upper end with a ratchet-Wheel, L, engaged by apawl, M, carried by a slide, 27, supported upon the cross-piece '1, held in place by the box U, and advanced by a cam, 0, upon the shaft W, and retracted by a spring, 1?, connecting the slide and box and located in the opening Q of the latter. The said dial is provided with a circular series of chucks, located in its periphery at equidistant points, and each composed of parts R and S and a spring, T, the latter being arranged to hold the part S normally away from the part B, and with its outer end extending beyond the periphery of the dial.

A gaging-table, U, located below the dial, is provided with a curved groove or channel following the line of the chucks and broken into sections V and IVby a deep recess, X, located in the forward edge of the table, which gages the distance the blanks can pass through and project below the dial. The bed If is located in the same plane with and cut away on a larger curve than the dial, the bed and dial being set so that the latter approaches very closely to the central portion of thecurve of the former. At such point the bed is recessed, as at Z, to receive a vibrating arm, A*, the forward end of which is cut away, as at B to conform to the outer ends of the parts S of the chucks. A spring, 0 secured to the bed and attached to the said arm, restores it to its normal position after it has been moved forward, as will be described.

A tool-head, D, receiving tools for pointing or threading the blanks, is located upon the upper end of a vertical shaft, E, mounted in bearings F F, rotated through a pulley, F, and vertically reciprocated by a lever, G mounted upon the shaft H and actuated in reciprocating the tool-shaft by a cam, 1 located upon the driving-shaft W", from which the several mechanisms of the machine are driven.

Having described the construction of our improved machine in detail, we will now proceed to set forth the method of its operation.

The parts having been properly timed, a rod is fed into the machine through the frame 0 and opening F, and is guided by the cam-guides I I I I to the gage O, which stops and supports it. The cutter B then advances and cuts off a blank, the gage also moving forward at the same time. By the time a blank has been cut off its lower end is engaged by the shoulder Q of the gage, and the cutter and gage continuing to advance the blank is pushed out from between the cam-guides, which turn forward, as shown in Fig. 8 of the drawings, to let it pass, after which the U shaped springs restore them to their normal positions. (Shown by Figs. 7 and 9 of the drawings.) The cutter and gage still advancing with the blank, now present it to the fluted cylindrical guides, as shown by dotted lines in Fig. 8 of the drawings, such guides turning on the rods 6 G and inclosing the blank, as shown in the succeeding figure. The spring Z now retracts the cutter and gage and permits the blank to drop into one of the chucks in the dial, the dial having in the timing of the machine brought a chuck into position to receive the blank, which is supported in vertical position by the chuck and rests upon the gagingtable in the section V of the groove or channel therein. The dial is now advanced through its connections with the driving-shaft, and another blank is cut off and delivered into it, and so on. As the dial advances the chucks to the right of the recess X are gradually closed by the curve of the bedplate until, when the blanks are about to leave the said section of the groove in the gagingtable, they are clasped firmly by the chucks, and leaving the groove are held suspended by the chucks, with their lower ends projecting below the dial. The parts S of the chucks are then engaged with the lockingarm A, which is normally deflected to the right by its spring, as shown by dotted lines in Fig. 2 of the drawings. As the dial advances this armis swung around into line with the chuck, as shown by full lines in such figure, and operates to secure a veryfirm hold upon the blank by the chuck. The chuck having now reached the central portion of the table U, and in the interval between two actuations of the dial, the toolshaft is lifted to expose the lower end of the blank carried by the chuck to the action of the tools carried by the tool-head, whether they be for tapering or threading the blank. The work done, the tool-shaft retires, and the dial advancing carries the tapered or threaded blank into the section IV of the groove in the gaging-table. As the dial advances, as described, the vibrating locking-arm is carried to the left, as shown by dotted lines in Fig. 2 of the drawings, until released by the chuck passing by it, when it is retracted by the spring to its normal position, in which it is deflected to the right. After the chuck has been advanced, so as to enter the pointed or threaded blank into the section IV of the groove in the gaging-table, the chuck is allowed to open by the divergence of the curves of the bed-plate and the dial, and the blank, supported in vertical position by the chuck, rides in the groove in the gagingtable until discharged from the machine.

The described adj ustability of the cam and fluted guides adapts the machine to be set for cutting blanks of all lengths within ordinary ,limits, while the construction for gripping the blanks by the chucks only during and fora short interval before and after they are being operated upon reduces the power required to operate the machine to the minimum.

It is apparent that the cutting and feeding mechanism may be replaced by any other mechanism for the same purpose, or for simply feeding blanks to the dial, or the dial may be fed by hand. We would therefore have it Having fully described our invention, what we claim as new, and desire to secure by Letters Patent, is-

1. In a machine for automatically cutting and pointing or threading blanks, the combination, with a cutter and gage, of a rotating dial, chucks located in the periphery thereof, and pointing or threading tools for pointing or threading the blanks when held by the chucks, substantially as set forth.

2. In a machine for automatically cutting and pointing or threading blanks, the combination, with a cutter and gage, of a rotating dial, chucks located in the periphery thereof, guides for leading the blanks to such chucks, and pointing or threading tools for pointing or threading the blanks when held bythe chucks, substantially as set forth.

3. In a machine for automatically cutting and pointing 0r threading blanks, the combination, with a cutter and gage, of a rotating dial, chucks mounted in the periphery thereof, spring-actuated cuin-guides for conducting the blanks into the chucks, and pointing or thread ing tools for pointing or threading the blanks when held by the chucks, substantially as set forth.

i. In a machine for automatically cutting and pointing or th reading blanks, the combination, with a cutter, a gage, and rotating fluted cylindrical guides, of a rotating dial, chucks located in the periphery thereof, and pointing or threading tools for pointing or threading the blanks when held by the chucks, substantially as set forth.

5. In a machine for automatically cutting and pointing or threading blanks, the combination, with a cutter, a gage, and two sets of guides, of which one set is located in front of the other, of a rotating dial, chucks mounted in the periphery thereof, and tools for pointing or threading the blanks when the same are held by the chucks, substantially as set forth.

6. In. a machine for automatically cut-ting and pointing or threading blanks, the combination, with a cutter, a gage, and guides, ofa rotating dial and chucks mounted in the pe riphcry thereof, the cutter and gage moving the blanks laterally into the gnides,which deliver them into the chucks in the dial, and tools for pointing or threading the blanks when the same are held by the chucks, substantially as set forth.

'1. In a machine for pointing or threading blanks, the combination, with a rotating dial, of chucks mounted in the periphery thereofiaud tools for pointing or threading the blanks when the same are. held by the chucks, substantially as set forth.

8. In a machine for pointing or threading blanks, the combination, with a rotating dial, of chucks mounted in the periphery thereof and normally open, means for closing them to clamp the blanks, and tools for pointing or threading the blanks when the same are held by the chucks, substantially as set forth.

9. In a machine for pointing or threading blanks, the combination, with a rotating dial, of chucks mounted in the same and each having a movable part normally extending beyond the periphery thereof, a curved plate for moving the said movable parts of the chucks inward, and tools for pointing or threading the blanks when held by the chucks, substantially as set forth.

10. In a machine for pointing or threading blanks, the combination, with a rotating dial, of chucks mounted thereiinand a gagingtahle located below the dial and supporting the blanks when the chucks are not closed, and tools for cutting or threading the blanks when held by the chucks, substantially as set forth.

' 11. in a machine for automatically pointing or threading blanks, the combination, with a rotating dial, of chucks mounted therein, a gaging-table located below the dial and provided with a deeprecess intersecting the path in which the blanks travel over it, and tools located below the dial and intermittently occupying the said recess and adapted to point or thread theblanks,substantially as set torth.

12. In a machine for automatically pointing or threading blanks, the combination, with a rotating dial, of chucks mounted therein, a gaging-table located below the dial and pro titled with a groove following the line of the chucks in the dial, and with a recess intersecting such groove, and tools located below the dial and adapted to point or thread the blanks, the lower ends of which are exposed through the said recess, substantially as set forth.

13. In a machine for automatically pointing or threading blanks, the combination, with a rotating dial, ol'uormally-open chucks mounted therein, means for normally supporting the blanks, tools for pointing or threading the same, and a plate located adjacent to the dial and adapted to close the chucks just before they reach the pointing or threading tools and to permit them to open again after passing the same, substantially as set forth.

1%. In a machine for automatically pointing or threading blanks, the combination, with a rotating dial, of chucks mounted therein and normally open, tools for pointing or threading the blanks when clamped by the chucks, and means for closing and locking the chucks dur ing the act-ion of thepoint-ing or threading tools, substantially as set forth. 7

15. In a machine for automatically pointing or threading blanks, the combination, with a rotating dial, of chucks mounted therein and normally open, tools for pointing or threading the blanks when clamped by the chucks, and a lockingnrm for locking the chucks during the action of the pointing or threading tools, substantially as set forth.

ISO

16. In a machine for automaticallypointiug or threading blanks, the combination with a. rotating dial, of chu cks mounted therein, a toolhead carrying pointing or threading tools,and a vertically-reciprocating tool-shaft carrying such head, substantially as set forth.

1?. In a machine for automatically cutting of clamping devices carried by such dial for z 5 clamping and holding the blanks, means for operating such clamping devices in closing them upon the blanks, and pointing or thread-- ing tools, substantially as set forth.

In testimony whereof we have signed this 20 specification in the presence of two subscribing witnesses.

EDWIN N. BEECHER. LEWIS D. WHITING.

Witnesses:

GEORGE W. WHITING, EDWIN S. Tenn. 

